•11 min
MCP Went Stateless. Your Server Still Holds Sessions.
The 2026-07-28 MCP spec dropped the initialize handshake and the session id, which means any request can now land on any replica behind a plain load balancer. But only if your server stopped holding session state. Here is how to make an MCP server truly stateless, migrate held-open elicitation to Multi Round-Trip Requests, and route on the new headers.
MCP
Agent Infrastructure